Don't expect a sudden change in the style of play when the Chicago Fire and New England Revolution meet Thursday in the second leg of their two-game, total-goals Major League Soccer playoff series (ESPN2, 8:30 p.m. ET).

Freddy Adu's successful penalty kick in stoppage time of the second half gave the United States a 2-1 victory over Mexico in the championship match of an Under-20 exhibition tournament Sunday night. U.S. midfielder Guillermo Martinez was fouled inside the penalty area, setting up Adu's penalty kick.